Vishay BC Components
圖片可能僅供參考。
有關產品詳細信息，請參閱規格。
VDRS20W250BSE
詳情 數據表

VDRS20W250BSE

Introduction

The VDRS20W250BSE is a voltage-dependent resistor that belongs to the category of electronic components. It is commonly used in electrical and electronic circuits for surge protection and overvoltage suppression. This entry provides an overview of the VDRS20W250BSE, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Components
  • Use: Surge Protection, Overvoltage Suppression
  • Characteristics: Voltage-Dependent, High Power Dissipation
  • Package: Radial Lead Type
  • Essence: Protects Circuits from Voltage Surges
  • Packaging/Quantity: Typically Packed in Reel or Bulk Packaging

Specifications

  • Model: VDRS20W250BSE
  • Power Rating: 20W
  • Voltage Rating: 250V
  • Maximum Clamping Voltage: TBD
  • Operating Temperature Range: -40°C to 85°C
  • Lead Material: Tin-plated Copper

Detailed Pin Configuration

The VDRS20W250BSE typically has two radial leads for connection in a circuit. The pin configuration may vary based on the specific manufacturer's design and datasheet.

Functional Features

  • Provides overvoltage protection by rapidly changing resistance with applied voltage
  • Absorbs transient energy during voltage surges
  • Offers high power dissipation capability
  • Suitable for use in various AC and DC circuits

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • High power dissipation capacity
  • Versatile application in different circuit designs

Disadvantages

  • Limited lifespan after multiple surge events
  • Requires careful selection based on circuit requirements

Working Principles

The VDRS20W250BSE operates based on the principle of voltage-dependent resistance. When the voltage across the device exceeds a certain threshold, it rapidly changes its resistance to divert excess current away from sensitive components, thereby protecting the circuit from damage due to overvoltage conditions.

Detailed Application Field Plans

The VDRS20W250BSE finds applications in various fields, including: - Power Supplies - Telecommunications Equipment - Industrial Control Systems - Consumer Electronics - Automotive Electronics

Detailed and Complete Alternative Models

Some alternative models to the VDRS20W250BSE include: - VDRS15W200BSE - VDRS25W300BSE - VDRS30W250BSE - VDRS20W300BSE

In conclusion, the VDRS20W250BSE is a vital component in electronic circuits, providing essential surge protection and overvoltage suppression capabilities. Its characteristics, specifications, and working principles make it suitable for diverse applications across different industries.

[Word Count: 398]

10個與VDRS20W250BSE在技術方案中應用相關的常見問題與解答

  1. What is the VDRS20W250BSE?

    • The VDRS20W250BSE is a voltage-dependent resistor (VDR) with a power rating of 20W and a voltage rating of 250V.

  2. What are the typical applications of VDRS20W250BSE?

    • The VDRS20W250BSE is commonly used for overvoltage protection in various electronic and electrical systems, such as power supplies, inverters, and surge protectors.

  3. How does VDRS20W250BSE provide overvoltage protection?

    • When the voltage across the VDR exceeds its specified voltage rating, it rapidly changes from a high resistance state to a low resistance state, effectively diverting excess voltage away from sensitive components.

  4. What are the key specifications of VDRS20W250BSE?

    • The VDRS20W250BSE has a maximum power dissipation of 20W, a maximum voltage rating of 250V, and a response time of nanoseconds.

  5. Can VDRS20W250BSE be used in AC and DC circuits?

    • Yes, the VDRS20W250BSE can be used in both AC and DC circuits for overvoltage protection.

  6. Is VDRS20W250BSE suitable for automotive applications?

    • Yes, the VDRS20W250BSE can be used in automotive applications to protect sensitive electronics from voltage spikes and surges.

  7. What are the temperature considerations for VDRS20W250BSE?

    • The VDRS20W250BSE has a wide operating temperature range, typically from -40°C to 85°C, making it suitable for various environmental conditions.

  8. Are there any reliability tests conducted on VDRS20W250BSE?

    • Yes, the VDRS20W250BSE undergoes rigorous reliability testing to ensure its performance under different stress conditions, including temperature cycling and humidity testing.

  9. Can multiple VDRS20W250BSE be connected in parallel for higher power handling?

    • Yes, multiple VDRS20W250BSE can be connected in parallel to increase the overall power handling capability in a circuit.

  10. Where can I find detailed technical specifications and application notes for VDRS20W250BSE?

    • Detailed technical specifications and application notes for VDRS20W250BSE can be found in the product datasheet provided by the manufacturer or distributor.